$ sudo apt-get update
$ sudo apt-get install libkimproxy4 

libkimproxy4 is installed in your system.

Make ensure the libkimproxy4 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libkimproxy4 *

You will get with libkimproxy4 package name, version, architecture and description in a table

libkimproxy4 package basic information: